Without knowing very much at all about replication, I think it will be necessary to have replication software installed on the local and remote(web) PC's.
This is taken from
http://support.microsoft.com/kb/q182886/17. What is indirect synchronization and how do I make it work?
Indirect synchronization requires use of Replication Manager. When you synchronize two replicas using indirect synchronization, a synchronizer on one computer exchanges changes with a synchronizer on another computer, thus avoiding the direct opening of a database over a wide area network (WAN).
There are several benefits of using this process:
• It greatly reduces the possibility of database corruption that could be caused by a line drop during a database update.
• Should an indirect synchronization fail, Replication Manager will simply re-send any changes on the next pass.
Replication Manager is included with the Office 97 Developers Edition. For Microsoft Access 95, it is packaged with the Microsoft Access Developers Toolkit (ADT). You will need to configure the Replication Manager at both the local and remote sites and create separate dropbox locations for each Replication Manager to use indirect synchronization.
This involves setting up the dropboxes (or shared folders), which will be used to store the changes. You don’t want to actually locate the replicas themselves in the shared folders or else indirect synchronization will be bypassed in favor of a direct synchronization.
Here are the steps to configure Replication Manager on the local computer:
1. Install ODE with Replication Manager (or use Office Developers Edition Setup wizard).
2. Create a shared folder, which will be the Synchronizer dropbox. (Do not put the replica in ANY shared folder, or else indirect syncs will be bypassed).
3. Configure Replication Manager for indirect synchronization by checking the option to support indirect synchronization. Follow the rest of the steps in the wizard by specifying the shared folder you created as the dropbox, by naming the Synchronizer, and by selecting a synchronizer log file.
4. Open Replication Manager and select the replica to be managed.
5. Optionally set up a synchronization schedule.
On the remote computer:
6. Install Replication Manager and create a share for the Synchronizer drop box, as in steps 1 and 2 above.
7. Copy the replica from the local to the remote computer (using a regular file copy), and place it in an unshared folder. If the replica is in a shared folder, or the subdirectory of a shared folder (this includes the root), indirect syncs will be bypassed and a direct exchange will occur.
8. Open the newly copied replica in the unshared folder on the client computer in Replication Manager, and elect to manage the replica.
9. Connect back to the local computer and synchronize, in order to let the local computer know about the location of the copy on the remote computer.
Whenever the Replication Manager manages a replica, it will write the location of its dropbox into the replica. With remote connections, you must now notify other replicas of the dropbox location, which is why you need to do step 4 above. You notify other replicas of the new address, or dropbox, in one of two ways: either you create a new replica from this managed replica, or you synchronize with an existing replica.